Home / 61,948.80-85,498.74-49,974.98

Finding the Fourth Proportional to 61,948.80, 85,498.74 and 49,974.98

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Solution

The fourth proportional to 61,948.80, 85,498.74 and 49,974.98 is: 68,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,948.80 : 85,498.74 = 49,974.98 : x
  2. Step 2: Convert to fraction form
    61,948.80/85,498.74 = 49,974.98/x
  3. Step 3: Cross multiply
    61,948.80x = 85,498.74 × 49,974.98
  4. Step 4: Simplify right side
    61,948.80x = 4,272,797,394.03
  5. Step 5: Solve for x
    x = 4,272,797,394.03/61,948.80
  6. Step 6: Final answer
    x = 68,973.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.